Instructions
Purchase the "Red Bobo T" from Suburban for $80.
Purchase the "Red Jeans" from Suburban for $60.
Purchase the "Red Hi-Tops" from Suburban for $55.
Purchase the "Red Cap (UP)" from Suburban for $40.
Go to one of your closets at a safe house and put on all the red clothes you've purchased. You'll now appear to be a "Blood."